java怎麽把字符串轉成json字符串

@RequestMapping(value = "updateInvestorApplyAccountNo", method = RequestMethod.POST)

@ResponseBody

public void updateInvestorApplyAccountNo(HttpServletRequest request,

HttpServletResponse response,

@RequestBody String requestBody) {

int num = 0;

String result = "";

//下面是把拿到的json字符串轉成 json對象

JSONObject jsStr = JSONObject.parseObject(requestBody); //將字符串{“id”：1}

//int jsID = Integer.parseInt(jsStr.getString("id"));//獲取id的值

/**

* json對象轉換成java對象

*/

InvestorApplyModel stud = (InvestorApplyModel) JSONObject.toJavaObject(jsStr,InvestorApplyModel.class);

}